Support corrupted pdfs that are encrypted but lack 'ID' in trailer

SeraphMX · Jan 14, 2013 · 48fa017 · 48fa017
1 parent 2ccad4c
commit 48fa017
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/obj.js b/src/obj.js
@@ -342,8 +342,9 @@ var XRef = (function XRefClosure() {
 
     var encrypt = trailerDict.get('Encrypt');
     if (encrypt) {
-      var fileId = trailerDict.get('ID');
-      this.encrypt = new CipherTransformFactory(encrypt, fileId[0], password);
+      var ids = trailerDict.get('ID');
+      var fileId = (ids && ids.length) ? ids[0] : '';
+      this.encrypt = new CipherTransformFactory(encrypt, fileId, password);
     }
 
     // get the root dictionary (catalog) object